13901773 has 2 divisors, whose sum is σ = 13901774. Its totient is φ = 13901772.

The previous prime is 13901743. The next prime is 13901777. The reversal of 13901773 is 37710931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 927369 = 3602^2 + 963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13901773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13901777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950886 + 6950887.

It is an arithmetic number, because the mean of its divisors is an integer number (6950887).

Almost surely, 2^13901773 is an apocalyptic number.

It is an amenable number.

13901773 is a deficient number, since it is larger than the sum of its proper divisors (1).

13901773 is an equidigital number, since it uses as much as digits as its factorization.

13901773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13901773 is about 3728.5081466989. The cubic root of 13901773 is about 240.4492338275.

The spelling of 13901773 in words is "thirteen million, nine hundred one thousand, seven hundred seventy-three".